Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...
Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.
Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.
Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...
The discovery of all five nucleobases on Ryugu strengthens the idea that life’s molecular ingredients formed in space before ...
A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...
For decades, the question of whether life exists beyond Earth has been the domain of science fiction writers and late-night ...
Researchers say a biocontainment facility on the Moon could be humanity's last line of defense against potential future alien ...
A comet from another star system does not arrive every year. That is part of what made 3I/ATLAS so compelling when it appeared in July 2025.
Two rovers have had big breaks over the past few years in the case of whether Mars ever hosted life. Curiosity, which is exploring Gale Crater, conducted a chemistry experiment on a rock sample that ...
A shell that protected the Perseverance rover during its descent to Mars in a clean room at NASA’s Jet Propulsion Laboratory NASA / JPL-Caltech As scientists search for life beyond Earth, spacecraft ...
Keeping Mars free from Earth life is one of the most important rules in space exploration. If microbes from our planet were to survive the journey, they could interfere with experiments or even mimic ...